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Cheap flights from Madison to London from £339

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — LON
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Madison to London

Enter your travel dates to find the best prices.

Cheapest flights from Madison to London
Explore the most affordable flight options available from Madison to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Sat 2/511:19
MSN
-
LHR
2 stops22h 41m
Scandinavian Airlines
Sat 9/506:40
LHR
-
MSN
2 stops20h 19m
Scandinavian Airlines
Deal found 7/4£639
Wed 6/514:30
MSN
-
LHR
1 stop15h 25m
United Airlines
Wed 13/506:50
LHR
-
MSN
2 stops14h 10m
United Airlines
Deal found 6/4£650
Tue 5/514:18
MSN
-
LGW
2 stops14h 32m
Iberia
Tue 12/520:40
LGW
-
MSN
2 stops26h 26m
Iberia
Deal found 5/4£651
Tue 5/514:30
MSN
-
LHR
2 stops13h 30m
United Airlines
Tue 12/506:50
LHR
-
MSN
2 stops14h 10m
United Airlines
Deal found 5/4£652
Wed 19/809:26
MSN
-
LHR
2 stops19h 14m
United Airlines
Tue 25/806:50
LHR
-
MSN
2 stops23h 14m
United Airlines
Deal found 6/4£653
Sat 2/517:34
MSN
-
LHR
1 stop31h 11m
United Airlines
Wed 13/506:50
LHR
-
MSN
2 stops14h 10m
United Airlines
Deal found 5/4£653
Tue 7/415:01
MSN
-
LHR
1 stop15h 14m
Iberia
Thu 23/420:00
LHR
-
MSN
2 stops32h 10m
Iberia
Deal found 5/4£654
Tue 5/514:30
MSN
-
LHR
2 stops13h 05m
United Airlines
Wed 13/506:50
LHR
-
MSN
2 stops14h 10m
United Airlines
Deal found 5/4£656
Tue 5/512:18
MSN
-
LHR
2 stops15h 42m
Air Canada
Thu 14/514:05
LHR
-
MSN
2 stops37h 15m
Air Canada
Deal found 5/4£659
Tue 5/515:01
MSN
-
LHR
2 stops13h 34m
Iberia
Tue 12/520:00
LHR
-
MSN
2 stops27h 06m
Iberia
Deal found 7/4£660
Sun 5/405:00
MSN
-
LHR
2 stops19h 30m
Air Canada
Tue 21/417:40
LHR
-
MSN
2 stops33h 41m
Air Canada
Deal found 4/4£662
Sat 2/517:34
MSN
-
LHR
2 stops34h 26m
Air Canada
Fri 15/514:05
LHR
-
MSN
2 stops32h 38m
Air Canada
Deal found 5/4£662

Find flight deals from Madison to London

Discover tips and strategies to find the most affordable flight options for your journey from Madison (MSN) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 April 2026.

Round-trip from

£639

One-way from

£339

Popular in

June

Cheapest in

November

Average price

£582
Scandinavian Airlines
  • Scandinavian Airlines
  • 2/5-9/5
  • 4 total stops
  • 43h 00m total
  • Madison to London
Search Deals
29/5
  • 29/5
  • 3 total stops
  • 56h 20m total
  • Madison to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£193 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Madison to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 April 2026.
Use the filters below to find and compare flights from Madison to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Sat 2/5

11:19-16:00

2 stops22h 41m

London Heathrow

Sat 9/5

06:40-20:59

2 stops20h 19m

£639
Fastest return journey

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 26/8

10:49-06:55

2 stops14h 06m

London Heathrow

Wed 2/9

06:50-14:53

2 stops14h 03m

£653

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 19/8

09:26-10:40

2 stops19h 14m

London Heathrow

Tue 25/8

06:50-17:04

2 stops16h 14m

£653

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 19/8

10:49-06:55

2 stops14h 06m

London Heathrow

Wed 26/8

06:50-14:53

2 stops14h 03m

£653

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 6/5

09:55-05:55

2 stops14h 00m

London Heathrow

Sun 17/5

07:45-16:43

2 stops14h 58m

£712

MadisonLondon

MSN - LGW

MSNLGW

Madison Truax Field

Wed 19/8

14:40-09:25

2 stops12h 45m

London Gatwick

Wed 26/8

10:25-20:40

2 stops16h 15m

£755

MadisonLondon

MSN - LHR

MSNLHR

Madison Truax Field

Wed 13/5

06:30-10:00

2 stops21h 30m

London Heathrow

Sat 23/5

09:30-14:57

2 stops35h 27m

£759

MadisonLondon

MSN - LCY

MSNLCY

Madison Truax Field

Wed 19/8

13:45-09:30

2 stops13h 45m

London City

Wed 26/8

09:20-21:57

2 stops18h 37m

£767

MadisonLondon

MSN - LCY

MSNLCY

Madison Truax Field

Wed 26/8

11:53-08:50

2 stops14h 57m

London City

Wed 2/9

10:00-20:40

2 stops16h 40m

£779

MadisonLondon

MSN - LCY

MSNLCY

Madison Truax Field

Wed 13/5

15:03-13:10

2 stops16h 07m

London City

Sun 17/5

19:15-19:54

2 stops30h 39m

£814

Flights are sorted by cheapest return flights first.

Deals found on 5/4

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Madison to London

Have a flexible travel schedule? Discover the best time to fly to London from Madison with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Madison to London

What is the cheapest month to book a flight from Madison to London?

Currently, October is the cheapest month in which you can book a flight from Madison to London (average of £404). Flying from Madison to London in June is currently the most expensive (average of £805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Madison to London?

Related info for your journey

Find useful and relevant information for your journey from Madison to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Madison to London?

    Located just 5.4 mi from the city center, Madison Truax Field is the airport most travelers will use when flying to London from Madison. Booking flights from Truax Field (MSN) to London should be relatively easy as there are 0 daily outbound flights to London from 0 different airlines.

  • How long is the flight from Madison to London?

    Departing from Madison to London will take you 12h 45m. Madison and London are separated by a distance of 3961 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Madison to London?

    The most popular flight routes from Madison to London are Madison Truax Field - London Heathrow, Madison Truax Field - London City and Madison Truax Field - London Gatwick.

  • Can I find deals for flights from Madison to London that include hotel bookings?

    Yes. In addition to deals on Madison to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Madison to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madison to London.

  • Can I find deals for business class flights from Madison to London?

    Yes. Cheapflights offers flight deals from Madison to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Madison to London?

    Currently, October is the cheapest month in which you can book a flight from Madison to London (average of £404). Flying from Madison to London in June is currently the most expensive (average of £805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Gatwick
Luton
Ilford
Slough
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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Can Cheapflights find flights from Madison to London with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Madison to London flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Madison to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Madison today and book when prices fit your budget.

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